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  • OPA227: Constant current source application with opa227

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    Part Number: OPA227 Tool/software: Hi TI expert I am now ready to use opa227 in a constant current source application. The annex is a constant current source circuit and loop stability simulation , the load is connected to GND , the sampling resistor…
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    • Answered

  • OPA227: About Vos.

    Resolved
    Part Number: OPA227 Hi Expert, Have a nice day! I have question need your professional support: For OPA227, it’s Vos is about 10uV: So, If I connect V+ and V- to ground as this schematic, then the Vout should be 100*Vos=1mV. Is the equation…
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  • LMH6321: Output Swing Limitation on LMH6321/OPA227 in 5V Single-Supply 1PPS Application

    Part Number: LMH6321 Other Parts Discussed in Thread: OPA227 , Hi Team, Posting on behalf of our customer. I will share this E2E post to our customer so he can reply when needed. I am using the OPA227 and LMH6321 in a 1PPS (Pulse Per Second) buffer…

  • OPA227: OPA227 output has negative（positive） bias, when using a capacitive voltage sensor

    TI Thinks Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA191 , OPA277 Tool/software: 1. The principle of capacitive voltage sensor is shown in the picture: 2. The schematic diagram of the design, as shown in the picture: (The schematic only leaves a…

  • OPA227: I only want to delete my account.

    TI Thinks Resolved
    Part Number: OPA227 Tool/software: How can I delete my account. Thank you for your time.
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  • OPA227: regarding to the linearity

    Resolved
    Part Number: OPA227 Other Parts Discussed in Thread: OPA210 , OPA197 , OPA192 Hello team, I have a question about regarding thread above. Could you suggest a device similar to the OPA227 with improved linearity on the negative side? Regards, …
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  • OPA355 and OPA227 : noise information in macro view of TINA simulation

    Other Parts Discussed in Thread: OPA355 Hello this is seongmun kim nowaday, i am running to simulation about noise analysis. but example noise information in macro is not correct for analysis. can i share the inforamtion about noise component for OPA355…
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  • OPA227: How to add TTL or PWM switching to control a constant current source circuit?

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    Part Number: OPA227 Other Parts Discussed in Thread: LM3409 , Hi Team, If the customer want to add TTL control, what should they do? 1) the preliminary preparation is shown as below, a MOS tube is connected in series. However, it was found that…
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  • OPA227: OPA227U maximum power dessipation

    TI Thinks Resolved
    Part Number: OPA227 Hi team Good day! Our customer want to know : OPA227U maximum power dessipation could you please help this？ Thank you so much! Regards Aosker

  • OPA227: Closed Loop Output Impedance

    TI Thinks Resolved
    Part Number: OPA227 Hello Guys, Good day. Our customer wanted to know the closed loop output impedence of OPA227U. Is this available? Thanks in advance! Art

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